Toothbrush



FIG. 1 is a front elevational view of toothbrush embodying my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image of the side shown; and,

FIG. 3 is a rear elevational view thereof.

The portions of the top and bottom of the toothbrush neither shown in the drawing nor described in the specification form no part of the claimed design.

The drawings are lined and shaded to show a contrast in color. 

The ornamental design for toothbrush, as shown and described. 